Mr Hennessy has been in practice as a dentist in Clonakilty, West Cork since 2008. He graduated from Unversity College Cork in 1997 with an Honours degree and was awarded the gold medal in Orthodontics by the Irish Dental Society. He worked in Maidstone in Kent for seven years in a busy dental Practice before taking over a mainly private practice in Leeds, West Yorkshire. He had other dentists working along side him in Leeds and this allowed him to concentrate on his area of special interest 'Cosmetic Dentistry'. While in West Yorkshire he also worked at 'Orthosolutions' - a state of the art Orthodontic Pracice straightening teeth with braces. He is a member of the American Academy of Cosmetic Dentistry, the Irish Dental Association and the Munster Study Group.
Mr Hennessy has studied Cosmetic Dentistry at the University of Warwick where he studied the most modern techniques to designing porcelain veneers and crowns for her patients. He also studied techniques to create life-like tooth coloured fillings at the University Dental School and Hospital Cork. He is currently enrolled in post-graduateimplant training at the University of Warwick